Spoofing attack in Apple Safari

1) Spoofing attack

EUVDB-ID: #VU170

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-4590

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause a spoofing attacks.

The vulnerability exists due to a flaw in the parsing of 'about:' URL. A remote unauthenticated attacker can create a specially crafted web site to exploit this vulnerability and spoof user interface elements.

Successful exploitation of this vulnerability may result in disclosure of user information.

Mitigation

The vendor has issued a fix (9.1.2).

Vulnerable software versions

Apple Safari: 9.1 - 9.1.1

Apple iOS: 9.3.0 - 9.3.2

CPE2.3

• cpe:2.3:a:apple:apple_safari:*:*:*:*:*:*:*:*
• cpe:2.3:o:apple:apple_ios:9.3.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:apple_ios:9.3.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:apple_ios:9.3.2:*:*:*:*:*:*:*

External links

https://support.apple.com/en-us/HT206900
https://support.apple.com/cs-cz/HT206900

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.